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Security Intermediate

What is RBAC (Role-Based Access Control)?

An access control model where permissions are assigned to roles, and users are assigned to roles rather than getting permissions directly.

RBAC simplifies permission management. Instead of assigning 50 permissions to each of 100 users, you create roles (Admin, Editor, Viewer) with appropriate permissions and assign users to roles. Changing a role updates all users with that role.

RBAC supports role hierarchies (Admin inherits Editor permissions), separation of duties (no single role has all power), and audit compliance. Most applications implement RBAC: database systems, cloud platforms (AWS IAM roles), and web frameworks.

Related Terms

Secret Management
The practice of securely storing, accessing, and rotating sensitive credentials like API keys, passwords, and certificates.
SOC (Security Operations Center)
A centralized team and facility responsible for monitoring, detecting, analyzing, and responding to cybersecurity threats 24/7.
XSS (Cross-Site Scripting)
An attack that injects malicious scripts into web pages viewed by other users, potentially stealing data or session tokens.
Encryption
The process of converting readable data into an unreadable format using algorithms, reversible only with the correct key.
Security Audit
A systematic examination of an information system to assess compliance with security policies, identify vulnerabilities, and verify controls.
Data Loss Prevention (DLP)
A strategy and set of tools that detect and prevent unauthorized transmission of sensitive data outside an organization.
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